148000007711581 has 2 divisors, whose sum is σ = 148000007711582. Its totient is φ = 148000007711580.

The previous prime is 148000007711513. The next prime is 148000007711663. The reversal of 148000007711581 is 185117700000841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115860122379556 + 32139885332025 = 10763834^2 + 5669205^2 .

It is a cyclic number.

It is not a de Polignac number, because 148000007711581 - 2¹³ = 148000007703389 is a prime.

It is a super-2 number, since 2×148000007711581² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148000007711081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74000003855790 + 74000003855791.

It is an arithmetic number, because the mean of its divisors is an integer number (74000003855791).

Almost surely, 2^{148000007711581} is an apocalyptic number.

It is an amenable number.

148000007711581 is a deficient number, since it is larger than the sum of its proper divisors (1).

148000007711581 is an equidigital number, since it uses as much as digits as its factorization.

148000007711581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62720, while the sum is 43.

The spelling of 148000007711581 in words is "one hundred forty-eight trillion, seven million, seven hundred eleven thousand, five hundred eighty-one".